Hardware Spec Index

Caldera FN-6421 SE 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6421-SE · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index1,219 (Case Fans scale)
Category rank#42,469
Street price$39
Power3 W
Performance per dollar31.26
Released2025

Specifications

BrandCaldera
ModelCaldera FN-6421 SE
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6421 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/501430 (accessed 2026-10-19).